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Support GtkWidget expand properties in GtkNotebook

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We expand a tab if either tab-expand is set, or the generic widget
expand property in the correct direction is set. And we do not
propagate expand flags from tab labels to the notebook, only
the expand flags from the pages.
This commit is contained in:
Matthias Clasen 2010-10-11 15:23:03 -04:00
parent 48de50df89
commit 7791013754
1 changed files with 48 additions and 2 deletions
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50
gtk/gtknotebook.c
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@ -586,6 +586,39 @@ gtk_object_handled_accumulator (GSignalInvocationHint *ihint,
return continue_emission;
}
static void
gtk_notebook_compute_expand (GtkContainer *container,
gboolean *hexpand_p,
gboolean *vexpand_p)
{
GtkNotebook *notebook = GTK_NOTEBOOK (container);
GtkNotebookPrivate *priv = notebook->priv;
gboolean hexpand;
gboolean vexpand;
GList *list;
GtkNotebookPage *page;
hexpand = FALSE;
vexpand = FALSE;
for (list = priv->children; list; list = list->next)
{
page = list->data;
hexpand = hexpand ||
gtk_widget_compute_expand (page->child, GTK_ORIENTATION_HORIZONTAL);
vexpand = vexpand ||
gtk_widget_compute_expand (page->child, GTK_ORIENTATION_VERTICAL);
if (hexpand & vexpand)
break;
}
*hexpand_p = hexpand;
*vexpand_p = vexpand;
}
static void
gtk_notebook_class_init (GtkNotebookClass *class)
{
@ -623,6 +656,7 @@ gtk_notebook_class_init (GtkNotebookClass *class)
widget_class->drag_drop = gtk_notebook_drag_drop;
widget_class->drag_data_get = gtk_notebook_drag_data_get;
widget_class->drag_data_received = gtk_notebook_drag_data_received;
widget_class->compute_expand = gtk_notebook_compute_expand;
container_class->add = gtk_notebook_add;
container_class->remove = gtk_notebook_remove;
@ -5423,9 +5457,14 @@ gtk_notebook_calculate_shown_tabs (GtkNotebook *notebook,
}
else /* !show_arrows */
{
GtkOrientation tab_expand_orientation;
gint c = 0;
*n = 0;
if (priv->tab_pos == GTK_POS_TOP || priv->tab_pos == GTK_POS_BOTTOM)
tab_expand_orientation = GTK_ORIENTATION_HORIZONTAL;
else
tab_expand_orientation = GTK_ORIENTATION_VERTICAL;
*remaining_space = max - min - tab_overlap - tab_space;
children = priv->children;
priv->first_tab = gtk_notebook_search_page (notebook, NULL,
@ -5441,7 +5480,8 @@ gtk_notebook_calculate_shown_tabs (GtkNotebook *notebook,
c++;
if (page->expand)
if (page->expand ||
(gtk_widget_compute_expand (page->tab_label, tab_expand_orientation)))
(*n)++;
}
@ -5501,6 +5541,7 @@ gtk_notebook_calculate_tabs_allocation (GtkNotebook *notebook,
guint border_width;
gboolean gap_left, packing_changed;
GtkAllocation child_allocation = { 0, };
GtkOrientation tab_expand_orientation;
widget = GTK_WIDGET (notebook);
container = GTK_CONTAINER (notebook);
@ -5550,6 +5591,11 @@ gtk_notebook_calculate_tabs_allocation (GtkNotebook *notebook,
bottom_y = top_y + priv->cur_page->allocation.height;
gap_left = packing_changed = FALSE;
if (priv->tab_pos == GTK_POS_TOP || priv->tab_pos == GTK_POS_BOTTOM)
tab_expand_orientation = GTK_ORIENTATION_HORIZONTAL;
else
tab_expand_orientation = GTK_ORIENTATION_VERTICAL;
while (*children && *children != last_child)
{
page = (*children)->data;
@ -5576,7 +5622,7 @@ gtk_notebook_calculate_tabs_allocation (GtkNotebook *notebook,
continue;
tab_extra_space = 0;
if (*expanded_tabs && (showarrow || page->expand || priv->homogeneous))
if (*expanded_tabs && (showarrow || page->expand || gtk_widget_compute_expand (page->tab_label, tab_expand_orientation) || priv->homogeneous))
{
tab_extra_space = *remaining_space / *expanded_tabs;
*remaining_space -= tab_extra_space;